Observations with Ishihara charts at low colour temperatures, low light intensity and limited exposure time.
D000293:Adolescent; D000328:Adult; D003119:Color Perception Tests; D003117:Color Vision Defects / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011932:Reading; D013997:Time Factors